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Scilly.Suffolk
umop3pisdn
On my regular track sprint and pursuit bikes I run KMC Z610Hx 3/32" chains, never had a problem with them and I'm a big lad. It's mainly because all my kit is 3/32" (a combo of old British Cycling team Blackspire chainrings and DA 3/32" sprockets) but I wouldn't be averse to using 1/8" kit in the future.
The KMC 610 is what I've got on the HC bike above, moving to DA will save a bit of weight over that (and loads over a 1/8" chain) and it's unlikely to break - I've ridden DA 9spd chains on fixed in the past without issues.
I've got a 25t rear 3/32" sprocket which was a bit of a find, the RST Sport/Aero-Coach top womens hillclimber and I ordered one each from Aus off eBay! We're both on ~41" give or take (she has 34x22 and I'm on 38x25), but she has the option to gear down for nationals if necessary.